1 files changed, 72 insertions, 0 deletions
diff --git a/src/boost/libs/mp11/test/mp_nth_element.cpp b/src/boost/libs/mp11/test/mp_nth_element.cpp
new file mode 100644
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+++ b/src/boost/libs/mp11/test/mp_nth_element.cpp
@@ -0,0 +1,72 @@
+
+// Copyright 2017 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/mp11/integral.hpp>
+#include <boost/mp11/function.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <type_traits>
+#include <tuple>
+
+int main()
+{
+    using boost::mp11::mp_nth_element;
+    using boost::mp11::mp_nth_element_c;
+    using boost::mp11::mp_list_c;
+    using boost::mp11::mp_sort;
+    using boost::mp11::mp_less;
+    using boost::mp11::mp_at_c;
+    using boost::mp11::mp_size_t;
+    using boost::mp11::mp_rename;
+
+    {
+        using L1 = mp_list_c<int, 7, 1, 11, 3, 2, 2, 4>;
+        using L2 = mp_sort<L1, mp_less>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 0, mp_less>, mp_at_c<L2, 0>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 1, mp_less>, mp_at_c<L2, 1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 2, mp_less>, mp_at_c<L2, 2>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 3, mp_less>, mp_at_c<L2, 3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 4, mp_less>, mp_at_c<L2, 4>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 5, mp_less>, mp_at_c<L2, 5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 6, mp_less>, mp_at_c<L2, 6>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<0>, mp_less>, mp_at_c<L2, 0>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<1>, mp_less>, mp_at_c<L2, 1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<2>, mp_less>, mp_at_c<L2, 2>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<3>, mp_less>, mp_at_c<L2, 3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<4>, mp_less>, mp_at_c<L2, 4>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<5>, mp_less>, mp_at_c<L2, 5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<6>, mp_less>, mp_at_c<L2, 6>>));
+    }
+
+    {
+        using L1 = mp_rename<mp_list_c<int, 7, 1, 11, 3, 2, 2, 4>, std::tuple>;
+        using L2 = mp_sort<L1, mp_less>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 0, mp_less>, mp_at_c<L2, 0>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 1, mp_less>, mp_at_c<L2, 1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 2, mp_less>, mp_at_c<L2, 2>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 3, mp_less>, mp_at_c<L2, 3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 4, mp_less>, mp_at_c<L2, 4>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 5, mp_less>, mp_at_c<L2, 5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_c<L1, 6, mp_less>, mp_at_c<L2, 6>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<0>, mp_less>, mp_at_c<L2, 0>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<1>, mp_less>, mp_at_c<L2, 1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<2>, mp_less>, mp_at_c<L2, 2>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<3>, mp_less>, mp_at_c<L2, 3>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<4>, mp_less>, mp_at_c<L2, 4>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<5>, mp_less>, mp_at_c<L2, 5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element<L1, mp_size_t<6>, mp_less>, mp_at_c<L2, 6>>));
+    }
+
+    return boost::report_errors();
+}